🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 9

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.71 AU - 1.77 AU

Year: 1459 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,809,640 km

• M1: 112,049 km (0.11 R)
• M2: 531,970 km (0.114 R)
• M3: 1,116,898 km (0.074 R)
• M4: 2,107,984 km (0.076 R)
• M5: 3,864,412 km (0.11 R)
• M6: 4,508,431 km (0.114 R)
• M7: 5,476,329 km (0.092 R)
• M8: 6,898,556 km (0.061 R)
• M9: 7,494,105 km (0.111 R)
• M10: 8,039,240 km (0.099 R)
• M11: 10,060,457 km (0.028 R)
• M12: 10,355,613 km (0.071 R)
• M13: 12,814,703 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 14.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.86 AU - 2.5 AU

Year: 2047 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,809,640 km

• M1: 179,218 km (0.064 R)
• M2: 806,333 km (0.082 R)
• M3: 1,318,855 km (0.067 R)
• M4: 1,881,792 km (0.102 R)
• M5: 2,834,730 km (0.041 R)
• M6: 3,421,902 km (0.1 R)
• M7: 4,735,820 km (0.05 R)
• M8: 5,235,477 km (0.118 R)
• M9: 6,168,668 km (0.083 R)
• M10: 7,115,174 km (0.076 R)
• M11: 8,878,035 km (0.073 R)
• M12: 10,084,841 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 14.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.23 AU - 2.87 AU

Year: 2589 Days

Day: 6.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,809,640 km

• M1: 179,069 km (0.038 R)
• M2: 861,684 km (0.063 R)
• M3: 1,737,280 km (0.054 R)
• M4: 2,291,091 km (0.08 R)
• M5: 3,326,009 km (0.075 R)
• M6: 4,670,446 km (0.097 R)
• M7: 6,309,440 km (0.093 R)
• M8: 7,377,269 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 12.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.49 AU - 2.99 AU

Year: 2884 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,809,640 km

• M1: 156,779 km (0.08 R)
• M2: 638,334 km (0.091 R)
• M3: 1,076,656 km (0.064 R)
• M4: 1,472,492 km (0.103 R)
• M5: 2,719,240 km (0.116 R)
• M6: 3,236,700 km (0.098 R)
• M7: 6,469,659 km (0.065 R)
• M8: 7,606,304 km (0.12 R)
• M9: 8,222,497 km (0.108 R)
• M10: 12,020,488 km (0.118 R)
• M11: 12,687,096 km (0.081 R)
• M12: 15,750,262 km (0.063 R)
• M13: 17,165,458 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 13.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.71 AU - 3.39 AU

Year: 3387 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,809,640 km

• M1: 172,935 km (0.041 R)
• M2: 1,060,948 km (0.061 R)
• M3: 2,940,645 km (0.1 R)
• M4: 3,869,050 km (0.115 R)
• M5: 4,554,208 km (0.091 R)
• M6: 7,195,807 km (0.063 R)
• M7: 7,782,680 km (0.113 R)
• M8: 14,305,895 km (0.11 R)
• M9: 15,036,980 km (0.048 R)
• M10: 16,520,691 km (0.11 R)
• M11: 18,382,287 km (0.102 R)
• M12: 19,071,485 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.4

Radius: 13.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.53 AU - 5.21 AU

Year: 6833 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,809,640 km

• M1: 180,415 km (0.11 R)
• M2: 633,996 km (0.071 R)
• M3: 1,160,281 km (0.113 R)
• M4: 2,322,657 km (0.113 R)
• M5: 2,838,769 km (0.075 R)
• M6: 4,475,370 km (0.11 R)
• M7: 6,150,567 km (0.092 R)
• M8: 7,570,251 km (0.105 R)
• M9: 8,546,676 km (0.067 R)
• M10: 9,423,020 km (0.064 R)
• M11: 10,262,264 km (0.112 R)
• M12: 11,100,162 km (0.066 R)
• M13: 11,561,971 km (0.091 R)
• M14: 12,360,075 km (0.093 R)
• M15: 13,024,888 km (0.057 R)
• M16: 13,538,906 km (0.079 R)
• M17: 17,048,772 km (0.115 R)
• M18: 18,153,702 km (0.081 R)
• M19: 19,159,298 km (0.083 R)
• M20: 23,808,800 km (0.052 R)
• M21: 24,751,865 km (0.101 R)
• M22: 30,141,877 km (0.108 R)
• M23: 30,640,187 km (0.043 R)
• M24: 31,858,961 km (0.103 R)
• M25: 39,027,840 km (0.071 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 14.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.73 AU - 6.03 AU

Year: 9066 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,809,640 km

• M1: 185,352 km (0.088 R)
• M2: 1,440,777 km (0.067 R)
• M3: 2,276,580 km (0.094 R)
• M4: 2,797,331 km (0.063 R)
• M5: 3,730,073 km (0.116 R)
• M6: 5,257,767 km (0.092 R)
• M7: 6,544,009 km (0.03 R)
• M8: 8,792,615 km (0.105 R)
• M9: 10,979,885 km (0.103 R)
• M10: 12,591,503 km (0.109 R)
• M11: 13,234,924 km (0.095 R)
• M12: 13,843,937 km (0.1 R)
• M13: 14,646,080 km (0.085 R)
• M14: 17,501,754 km (0.117 R)
• M15: 18,303,898 km (0.108 R)
• M16: 20,198,555 km (0.119 R)
• M17: 21,836,502 km (0.102 R)
• M18: 22,375,952 km (0.108 R)
• M19: 25,207,241 km (0.119 R)
• M20: 25,886,565 km (0.085 R)
• M21: 30,988,750 km (0.099 R)
• M22: 31,867,039 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.4

Radius: 7.6

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.44 AU - 13.58 AU

Year: 23228 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,809,640 km

• M1: 156,928 km (0.068 R)
• M2: 538,253 km (0.111 R)
• M3: 865,872 km (0.063 R)
• M4: 1,482,664 km (0.049 R)
• M5: 1,955,992 km (0.078 R)
• M6: 2,294,981 km (0.107 R)
• M7: 3,463,490 km (0.099 R)
• M8: 4,797,903 km (0.101 R)
• M9: 5,457,779 km (0.033 R)
• M10: 6,909,477 km (0.115 R)
• M11: 7,445,935 km (0.095 R)
• M12: 7,801,679 km (0.077 R)
• M13: 9,573,965 km (0.08 R)
• M14: 10,055,819 km (0.109 R)
• M15: 10,873,372 km (0.041 R)
• M16: 12,356,485 km (0.089 R)
• M17: 14,046,492 km (0.11 R)
• M18: 14,986,715 km (0.053 R)
• M19: 16,732,223 km (0.096 R)
• M20: 19,454,754 km (0.102 R)
• M21: 22,564,146 km (0.1 R)
• M22: 23,525,612 km (0.053 R)
• M23: 26,927,318 km (0.106 R)
• M24: 27,165,178 km (0.101 R)
• M25: 28,008,611 km (0.118 R)
• M26: 34,128,959 km (0.119 R)
• M27: 37,721,402 km (0.06 R)
• M28: 38,168,700 km (0.091 R)
• M29: 38,770,682 km (0.068 R)
• M30: 46,495,766 km (0.096 R)
• M31: 48,050,088 km (0.061 R)
• M32: 52,363,593 km (0.102 R)
• M33: 64,262,009 km (0.104 R)
• M34: 67,276,107 km (0.106 R)
• M35: 67,934,039 km (0.093 R)
• M36: 78,324,359 km (0.078 R)
• M37: 85,809,638 km (0.065 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 14,545 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit